Evolution will not occur if

Options :
  1. there is no environmental influence
  2. genes are without effect
  3. somatic variations are not heritable
  4. there is no genetic variations in individuals of a population
Answer and Explanation :-

Answer: Option 4

Explanation:

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If children were brought into the world by an act of pure reason alone, would the human race continue to exist? Would not a man rather have so much sympathy with the coming generation as to spare it the burden of existence, or at any rate not take it upon himself to impose that burden upon it in cold blood?
-Arthur Schopenhauer Studies in Pessimism: The Essays